I believe Optimum Tech's build is wrong (0.25-slot offset)

t1 slotThen enter the card type {e1 | t1} slot subslot command for the new confuration information. Step 4. voice-card slot Router(conf)# voice card 1. Enters voice card interfaceBuild flexibility goes a long way with 2-slot and 3-slot mode for the T1. Here I managed to fit a Zotac RTX 3070 Twin Edge with ease. ... The T1 is definitely one of the most